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58 lines
1.8 KiB
58 lines
1.8 KiB
from django.contrib.auth.backends import ModelBackend
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from django.contrib.auth import get_user_model
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from users.models import User
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from common.utils import get_logger
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UserModel = get_user_model()
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logger = get_logger(__file__)
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class JMSBaseAuthBackend:
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@staticmethod
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def is_enabled():
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return True
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def has_perm(self, user_obj, perm, obj=None):
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return False
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def user_can_authenticate(self, user):
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"""
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Reject users with is_valid=False. Custom user models that don't have
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that attribute are allowed.
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"""
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# 在 check_user_auth 中进行了校验，可以返回对应的错误信息
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# is_valid = getattr(user, 'is_valid', None)
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# return is_valid or is_valid is None
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return True
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# allow user to authenticate
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def username_allow_authenticate(self, username):
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return self.allow_authenticate(username=username)
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def user_allow_authenticate(self, user):
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return self.allow_authenticate(user=user)
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def allow_authenticate(self, user=None, username=None):
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if user:
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allowed_backend_paths = user.get_allowed_auth_backend_paths()
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else:
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allowed_backend_paths = User.get_user_allowed_auth_backend_paths(username)
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if allowed_backend_paths is None:
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# 特殊值 None 表示没有限制
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return True
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backend_name = self.__class__.__name__
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allowed_backend_names = [path.split('.')[-1] for path in allowed_backend_paths]
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allow = backend_name in allowed_backend_names
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if not allow:
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info = 'User {} skip authentication backend {}, because it not in {}'
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info = info.format(username, backend_name, ','.join(allowed_backend_names))
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logger.debug(info)
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return allow
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class JMSModelBackend(JMSBaseAuthBackend, ModelBackend):
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pass
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